Roller shade



FIG. 1 is a perspective view of a roller shade according to our new design.

FIG. 2 is a front view thereof.

FIG. 3 is a left side view thereof.

FIG. 4 is a right side view thereof.

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof.

The portions of the drawings appearing in broken lines depict environmental subject matter that does not form a part of the claimed design. 

CLAIM The ornamental design for a roller shade, as shown and described. 